patti ann: u.s. markets were closed yesterday for christmas and as a result volume is extremely light. investors are also waiting for a solution to this budget showdown in washington. on monday the dow closed down 52 points, finishing 13,139 and we'll keep an eye on those markets throughout the show. gregg: breaking developments out of afghanistan this morning where a homicide bomber blew himself up in front of a u.s. military base. well it all happened at the camp, the gate at the camp chapman, just miles from the pakistani border. police say the bomber's vehicle exploded while he was being questioned by a security guard. the blast killing the attacker and three civilians. leland vittert live in jerusalem with more on this. leland, how significant is this attack? >> reporter: the significance isn't in any one, attack, dpreg, just how many we've seen especially when comes to insider attacks. being members of the afghan security services turning weapons on members of nato forces. so far we've seen 60